[PATCH 4/8] dt-bindings: soc: tenstorrent: Add atlantis resets

Anirudh Srinivasan asrinivasan at oss.tenstorrent.com
Thu Jan 15 15:42:03 PST 2026


Document resets from RCPU syscon for atlantis.

Signed-off-by: Anirudh Srinivasan <asrinivasan at oss.tenstorrent.com>
---
 .../tenstorrent/tenstorrent,atlantis-syscon.yaml   |  5 ++++
 .../clock/tenstorrent,atlantis-syscon.h            | 34 ++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/tenstorrent/tenstorrent,atlantis-syscon.yaml b/Documentation/devicetree/bindings/soc/tenstorrent/tenstorrent,atlantis-syscon.yaml
index 3915d78dfeda..7e9c8d85ba9e 100644
--- a/Documentation/devicetree/bindings/soc/tenstorrent/tenstorrent,atlantis-syscon.yaml
+++ b/Documentation/devicetree/bindings/soc/tenstorrent/tenstorrent,atlantis-syscon.yaml
@@ -31,11 +31,15 @@ properties:
     description:
       See <dt-bindings/clock/tenstorrent,atlantis-syscon.h> for valid indices.
 
+  "#reset-cells":
+    const: 1
+
 required:
   - compatible
   - reg
   - clocks
   - "#clock-cells"
+  - "#reset-cells"
 
 additionalProperties: false
 
@@ -55,4 +59,5 @@ examples:
       reg = <0x0 0xa8000000 0x0 0x10000>;
       clocks = <&osc_24m>;
       #clock-cells = <1>;
+      #reset-cells = <1>;
     };
diff --git a/include/dt-bindings/clock/tenstorrent,atlantis-syscon.h b/include/dt-bindings/clock/tenstorrent,atlantis-syscon.h
index a8518319642a..ac6afc95b224 100644
--- a/include/dt-bindings/clock/tenstorrent,atlantis-syscon.h
+++ b/include/dt-bindings/clock/tenstorrent,atlantis-syscon.h
@@ -64,4 +64,38 @@
 #define CLK_CAN0_TIMER_CLK 52
 #define CLK_CAN1_TIMER_CLK 53
 
+/* RCPU domain reset */
+#define RST_SMNDMA0  0
+#define RST_SMNDMA1  1
+#define RST_WDT0     2
+#define RST_WDT1     3
+#define RST_TMR      4
+#define RST_PVTC     5
+#define RST_PMU      6
+#define RST_MAILBOX  7
+#define RST_SPACC    8
+#define RST_OTP      9
+#define RST_TRNG     10
+#define RST_CRC      11
+#define RST_QSPI     12
+#define RST_I2C0     13
+#define RST_I2C1     14
+#define RST_I2C2     15
+#define RST_I2C3     16
+#define RST_I2C4     17
+#define RST_UART0    18
+#define RST_UART1    19
+#define RST_UART2    20
+#define RST_UART3    21
+#define RST_UART4    22
+#define RST_SPI0     23
+#define RST_SPI1     24
+#define RST_SPI2     25
+#define RST_SPI3     26
+#define RST_GPIO     27
+#define RST_CAN0     28
+#define RST_CAN1     29
+#define RST_I2S0     30
+#define RST_I2S1     31
+
 #endif /* _DT_BINDINGS_ATLANTIS_SYSCON_H */

-- 
2.43.0




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